# \#caterpillar

**URL:** https://forums.digi.com/tag/caterpillar/4263.md

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## [digi one iap](https://forums.digi.com/t/digi-one-iap/21088)

<div class="topic-metadata">

**Author:** [@benleeper60](https://forums.digi.com/u/benleeper60)\
**Replies:** 2\
**Last updated:** [April 2, 2020, 6:12pm UTC](https://forums.digi.com/t/digi-one-iap/21088 "2020-04-02T18:12:51Z")

</div>

Hello. I have a Digi One IAP successfully connected to a Caterpillar EMCP 3.3 Genset generator system. 2 wire setup. I have the exact same generator setup at another site and cannot get the Digi to poll modbus data. …